2(R+4)=4A-4

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Solution for 2(R+4)=4A-4 equation: 


Simplifying
2(R + 4) = 4A + -4

Reorder the terms:
2(4 + R) = 4A + -4
(4 * 2 + R * 2) = 4A + -4
(8 + 2R) = 4A + -4

Reorder the terms:
8 + 2R = -4 + 4A

Solving
8 + 2R = -4 + 4A

Solving for variable 'R'.

Move all terms containing R to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + 2R = -4 + -8 + 4A

Combine like terms: 8 + -8 = 0
0 + 2R = -4 + -8 + 4A
2R = -4 + -8 + 4A

Combine like terms: -4 + -8 = -12
2R = -12 + 4A

Divide each side by '2'.
R = -6 + 2A

Simplifying
R = -6 + 2A

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